用于将部分Rails请求日志屏蔽掉的代码

silece_log.rb

# encoding: utf-8
# Place into Rails.root/config/initializers
Rails::Rack::Logger.class_eval do
  def call_with_quiet_assets(env)
    previous_level = Rails.logger.level
    Rails.logger.level = Logger::FATAL if env['PATH_INFO']=="/silence/request"
    call_without_quiet_assets(env).tap do
      Rails.logger.level = previous_level
    end
  end
  alias_method_chain :call, :quiet_assets 
end